Self-adjusting and vibrating back-band strap



UNITED STATES PATENT OFFICE.

R. JANCOVIUS, OF NEWARK, NEW JERSEY.

SELF-ADJUSTING AND VIBRATING BACK-BAND STRAP.

Specification of Letters VPatent No. 20,434, dated June 1, 1858.

T0 all whom t may concern.'

Be it known that I, ROBERT J ANoovIUs, of Newark, in the county of Essexand State of New Jersey, have invented a new and Improved Mode ofAttaching Harness Saddles and Pads to Shafts of Carriages, Wagons, andother Vehicles; and I do hereby declare that the following is a full,clear, and exact description of the same, reference loeing had to theannexed drawings, making a part of this specification, in which Figure lis a top view of a self adjusting and vibrating back band strap,vibratino sector and loop. Fig. 2 is a longitudinal section of Fig. l,showing the connection of the vibrating sector B, center bolt c, andpointed back support D to the back band A A. Fig. 3 is a view of theunder side of Fig. l, showing the position of the pointed back supportD. Fig. 4, is an edge view in section of Fig. 3, showing the mode ofsecuring the pointed back support D to the lower end of back band A.Fig. 5, is a plan of the vibrating sector B. Fig. 6, is an edge view insection of Fig. 5. Fig. 7 is an edge view of the pointed back support Dprevious to its being riveted fast to A. See Figs. 2 and 4. Fig. 8 is aview of one half of a saddle showing the location and position of theabove self adjusting and vibrating back band strap and tug H on shaft.Fig. 9 shows the mode of attaching the whole invention to a saddle on ahorse with a shaft.

Similar letters of reference indicate corresponding parts in the severalfigures.

The nature of my invention consists in attaching the saddle to the shaftby means of the peculiar construction of the vibrating sector B, Fig. 5,having a curved groove or slot F, through which is passed the pin D',connected with the pointed back support D, and working or vibrating onthe center bolt C, causing an easy movement of the back band strap onthe saddle and preventing the strain edgewise, which in other casesinvariably causes the stitching or sewing on the strap to give out or-break away. The vibrating motion of the sector gives an easy and softmotion on the horses back, at each alternate step, either in running,walking or backing, thus preventing a sudden jar or jerk on the horseand the straining edgewise of the back band strap.

To enable others skilled in the art to fully understand and construct myinvention, I will proceed to describe it.

A, A represents a metalic back band strap,

made with one, two or more hinges L, or

with links of chain to produce the same effect.

IB, Fig. 5, represents a sector with a center hole in it, a curved slotF, and a straight slot at G.

D represents a pointed back support, Fig. 7, with a pin attached to it,which is put through the slot F, Fig. 5, and 'riveted fast to the lowerend of back band strap A A- after which a bolt or screw is put through Aand B at C, Fig. 2, through D, and lastly, the saddle, then secured bythe nut E. A strap or loop G is now sewed into the straight slot at thelower edge of sector B at Gr,

which connects with the tug H on shaft Fig. 8, by means of the buckle I.The whole being now complete, it is put on the saddle with the upper endof the back band strap A A at N put under a piece of leather called thejockey at M, Fig. 8, and secured to the top of saddle by the ring boltor` turret K. Fig. 8, said bolt or turret being put through the oblonghole K, Fig. 1, which firmly secures the upper end to the top ,ofsaddle, while the bolt C rmly secures the lower end of this, nowcomplete, back band strap, to the middle of saddle.

The common back band strap is a piece of leather extending from theturret K, to shaft tug I. Figs. 8, 9, with a guide sewed over it aboutmidway on saddle, as seen in sketch O.

My back band being now complete, I will explain its operation. Beingattached to the saddle, it is placed on the horses back, and the joints,hinge or link L now cornes in active operation. -If the horse is fat andfull, the back band assumes a concave position as seen at Fig. 2. If thehorse is lean and lank, it assumes the position, as seen in the dottedline, which prevents the chang of the leather, or the horses back, byreadily conforming to the shape of the horse. Hence these hinges orlinks allow the saddle to open or close for the above purpose. Secondly,when the horse walks or runs or backs a strain is exerted on the backband strap in the direction of the arrows, but

the strap A, being connected to the vibratf ing sector B, by the centerbolt C, this said strain causes the strap Gr, to Work the sector B onits center C, thus causing a soft vibrating motion, which entirelyprevents the chaing of any part of the saddle by the motion of thehorse. Thirdly, 'if vthe center bolt C, should Work loose, and comeentirely out, the pin at D, passing through the curved slot F, preventsthe shaft rom'ffalling, starting the horse, and causing him to run away,Y

which result would take place, While the pointed back support D, remainsas a guard to prevent any lateral strain from separating the sector B,from the back band strap A, the Whole forming a useful combination, releasing the horse from sudden jerks, and preventing the sewing orstitching from giving out and the chang of other parts of the saddle.

I do not claim broadly, thejoints, hinges, or chain links L; but

What I do claim and Wish to secure by Letters Patent of the UnitedStates, is

The peculiar construction of the vibrating sector B, provided with theslot F, the pointed back support D, With the pin D attached, thewhole inconnection With the several joints, hinges and link L, or theirequivalents, for the object and purposes set forth and described in thespecification.

Y ROBERT JANCOVIUS. Witnesses:

JNO. VHITEHEAD, E. P. HIGGINS.

